assiduous

她勤奋的学习态度帮助她获得了奖学金。

Her ___assiduous study habits helped her earn the scholarship.

每天黎明都能看到这位勤勉的园丁跪在花坛中除草修剪。

The ___assiduous gardener could be found every dawn kneeling among the flower beds, weeding and pruning.

她对博物馆那批无标记化石收藏孜孜不倦的编目工作花了将近十五年才完成。

Her ___assiduous cataloging of the museum's unlabeled fossil collection took nearly fifteen years to complete.